BeFe4Ge

metal

· JVASP-64918· BeFe4Ge

BeFe4Ge is an intermetallic compound combining beryllium, iron, and germanium—a rare metal-based phase that falls outside conventional commercial alloy families. This material is primarily of research interest rather than established industrial use, with potential applications in high-performance structural or functional materials where the unique combination of light beryllium and the electronic properties of germanium might offer advantages in emerging technologies or specialized aerospace and defense contexts.

Research and developmentIntermetallic compoundsAerospace experimental materialsHigh-performance structural compositesFunctional materials exploration

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	138.7	GPa	—
Poisson's Ratio(ν)	0.3500	-	—
Shear Modulus(G)	47.86	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	7.000	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	7.081	µB	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3880	eV/atom	—
Formation Energy(ΔHf)	0.2678	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

BeFe4Ge

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control